gistfile1.txt

<?php

class DavidF_LayoutConfig_Model_Adminhtml_System_Config_Source_CatalogPage
{
    public function toOptionArray()
    {
        $toReturn = array();
        $toReturn[1]['value'] = '1';
        $toReturn[1]['label'] = '1 Column with Topnav';
        $toReturn[0]['value'] = '0';
        $toReturn[0]['label'] = '2 Columns with Leftnav';

        return $toReturn;
    }

}